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WordPress Multisite on the Darknet (Mercator .onion alias)
Hardening Guide for phpList
Techlore Interview (BusKill, Interdiction, and OpSec)
WordPress Profiling with XHProf (Debugging & Optimizing Speed)
Nightmare on Lemmy Street (A Fediverse GDPR Horror Story)
Detecting (Malicious) Unicode in GitHub PRs
Crowdfunding on Crowd Supply (Review of my experience)
Continuous Documentation: Hosting Read the Docs on GitHub Pages (2/2)
Trusted Boot (Anti-Evil-Maid, Heads, and PureBoot)
Why I was banned from GrapheneOS by Daniel Micay
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Techlore Interview (BusKill, Interdiction, and OpSec)

By Michael Altfield, on December 9th, 2025
Michael Altfield Techlore Interview

I’m super happy that Techlore invited me on their YouTube channel to talk security and privacy 😀

Henry was mostly interested in my work with BusKill (an open-source dead man switch), but our conversation ran a gamut of issues regarding security and privacy — including

How to mitigate State-sponsored interdiction attacks, minimizing attack surfaces of mobile phones with broadband processors, the threats of AI “identity verification” systems on privacy, and much more

You can watch the full video below

Can’t see video above? Watch it on PeerTube at tehlore.tv or on YouTube at youtu.be/cptk6aBbJpU

If you’d like to purchase a BusKill cable, click here.

Michael Altfield

Hi, I’m Michael Altfield. I write articles about opsec, privacy, and devops ➡

About Michael

tech.michaelaltfield.net/

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Enabling SELinux strict on RHEL5

By Michael Altfield, on July 6th, 2009

I’ve been playing around with SELinux at work recently. Not surprisingly, I was struggling to get SELINUXTYPE=strict to work properly. Unfortunately, all “google results for ‘enabling selinux strict’ would return were dead ends. People would enable selinux strict, kernel panic, and ‘fix’ it by disabling selinux.

Well, a co-worker of mine *was* able to successfully enable selinux’s strict policy on RHEL5 (CentOS 5). He gave me this guide to post to the world for others to see how (thanks Mykola):

Michael Altfield

Hi, I’m Michael Altfield. I write articles about opsec, privacy, and devops ➡

About Michael


. . . → Read More: Enabling SELinux strict on RHEL5

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